Revert "removed some test"

This reverts commit 9182a60c13433ba162219e2278b8906d3d5b2657.
Revert "Small change in dispatcher. on performtaxianswer, last else"

This reverts commit d08400ed062891a236e1d940121f88528b3f4295.
Revert "Taxichat implemented "

This reverts commit 8bd76dfb1bc709f4c53d09091f768e537812a660.